LOWER RIGHT CORNER WITH DOT
PERPENDICULAR
OPEN SUBSET
OR WITH DOT INSIDE
LONG DIVISION
ELEMENT OF OPENING UPWARDS
RIGHT OUTER JOIN
LARGE UP TACK
LEFT AND RIGHT TACK
LEFT MULTIMAP
LOZENGE DIVIDED BY HORIZONTAL RULE
WHITE CONCAVE-SIDED DIAMOND WITH RIGHTWARDS TICK
MATHEMATICAL LEFT WHITE SQUARE BRACKET
MATHEMATICAL RIGHT WHITE SQUARE BRACKET
MATHEMATICAL LEFT ANGLE BRACKET
MATHEMATICAL LEFT DOUBLE ANGLE BRACKET